Here are the key differences between the Bosch Hausgeräte models MUMS6ZS17 and MUMS6ZS13D:

- Power Output: Both models have the same power output of 1600W.
- Speed Levels: The MUMS6ZS13D has 7 speed levels, but the specific number of speed levels for the MUMS6ZS17 is not explicitly mentioned in the available data.
- Color and Design: The MUMS6ZS13D is available in black, while the MUMS6ZS17 features a stainless steel and black design.
- Additional Features: Both models share similar functions such as whipping, mixing, kneading, and more, but specific additional features or accessories might vary. For example, the MUMS6ZS17 comes with a stainless steel mixing bowl, a dough hook, a whisk, and other accessories.
- Model Specifics: The MUMS6ZS17 has a 5.50-liter stainless steel mixing bowl, which is a key feature of this model.

For more detailed comparisons, it might be necessary to consult the manufacturer's official documentation or product specifications.